Re: ata1: soft resetting port

[Soeren Sonnenburg <kernel@nn7.de>]

On Thu, 2007-07-05 at 03:01 +0900, Tejun Heo wrote:
> Soeren Sonnenburg wrote:
> > On Tue, 2007-07-03 at 15:40 +0900, Tejun Heo wrote:
> >> Soeren Sonnenburg wrote:
> >>> Dear List,
> >>>
> >>> since the switch to 
> >>>
> >>> CONFIG_ATA=y
> >>> CONFIG_ATA_ACPI=y
> >>> CONFIG_ATA_PIIX=y,
> >>>
> >>> the ATA_PIIX driver manages both, internal sata disk aswell as cd/dvd
> >>> rom. However I am being flooded with the error messages below (well they
> >>> appear from time to time, dominating dmesg). 
> >>>
> >>> This happens on kernel 2.6.22-rc5, I am copying relevant parts from dmesg:
> >> Does 2.6.22-rc7 fare better?
> > 
> > Yes indeed. The only thing I've seen in the last two days was the
> > following on resume:
> > 
> > pci_express 0000:00:1c.2:pcie03: resuming
> > sr 0:0:0:0: resuming
> > sd 2:0:1:0: resuming
> > sd 2:0:1:0: [sda] Starting disk
> > ata1.00: configured for UDMA/33
> > ata3.01: revalidation failed (errno=-2)
> > ata3: failed to recover some devices, retrying in 5 secs
> > ata3.01: configured for UDMA/133
> 
> Hmmm... That's NODEV_HINT being triggered after resume.  Probably the
> device isn't ready to respond yet at that point.  How reproducible is
> the problem?

quite reproducible:

$ dmesg | grep 'revalidation failed' | wc -l
4

Soeren
-- 
Sometimes, there's a moment as you're waking, when you become aware of
the real world around you, but you're still dreaming.
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